As of January 1, 2018, Seniors decided to change the method of computing depreciation on its sole piece of equipment from the sum-of-the-years' digits method to the straight-line method.The equipment, acquired in January 2015 for P520,000, had an estimated life of five years and a salvage value of P20,000.The amount of the depreciation expense for 2018 is

Group of answer choices

P60,000

P50,000

P42,000

P100,000